public class demo2 {
    public static void main(String[] args) throws InterruptedException {
        Object locker1 = new Object();
        Object locker2 = new Object();
        Thread t1 = new Thread(()->{
            synchronized (locker1)
            {


            }
            synchronized (locker2) {
                System.out.println("t1获得了两把锁");
            }
        });
        Thread t2 = new Thread(()->{
            synchronized (locker2)
            {


            }
            synchronized (locker1) {
                System.out.println("t2获得了两把锁");
            }
        });

        t1.start();
        t2.start();

        t1.join();
        t2.join();
    }
}